CTICasesCaseous Calcification of the Mitral Annulus
Imaging findings
CT chest shows a round, smooth, non-enhancing mass at the posterior mitral valve annulus, demonstrating dense peripheral calcification and central high-attenuation liquid center, confirmed as caseous calcification of the mitral annulus (CCMA).
Key takeaways
CCMA is a benign variant of mitral annular calcification that can simulate a tumor, abscess, or pseudoaneurysm on echocardiography. Non-contrast CT is diagnostic, demonstrating dense peripheral calcification with a central soft-tissue/fluid density and no enhancement.
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